KATHERINE MARGARET DWYER WINTERS
NPI 1891320446
Advanced Practice Midwife in Seattle, WA
About Katherine Margaret Dwyer Winters NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE MARGARET DWYER WINTERS (NPI 1891320446) is an individual advanced practice midwife in Seattle, Washington, licensed in Washington (AP61168423) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Katherine Margaret Dwyer Winters is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Katherine Winters reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98133
- Reassigned Medicare billing, Washington enrollment
- 292 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98133 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98133
SEATTLE, WA 98133
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Katherine Winters's NPI number?
The NPI number for Katherine Winters is 1891320446. It was assigned to this individual provider in the NPPES registry on March 4, 2020.
Where is Katherine Winters located?
Katherine Winters practices at 10521 Meridian Ave N, Seattle, WA 98133. The listed phone number is (206) 296-4990.
What is Katherine Winters's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Katherine Winters enrolled in Medicare?
Yes. Katherine Winters is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Katherine Winters's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Winters reassigns Medicare benefits to Neighborcare Health (Seattle, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katherine Winters's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Winters accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Katherine Winters as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Katherine Winters was last updated on October 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.